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Carnot Cycle

An engine doe...

Question

An engine does 41,000 J of useful work. If it sinks 9,000 J of energy in the form of heat to its cold reservoir, find the heat energy supplied to the engine's hot reservoir?

A

41000 J

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B

9000 J

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C

32000 J

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D

50000 J

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Solution

The correct option is D
50000 J

$Q_{H O T} = W + Q_{C O L D} = 41000 J + 9000 J = 50000 J$

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